Standards for varietal purity for hybrid varieties of swede rape
11. In the case of seed of a hybrid variety of swede rape produced using male sterility–
(a)subject to sub paragraph (c), the requirement for sufficient varietal identity and varietal purity shall also apply to the characteristics of its components including male sterility or restoration of fertility;
(b)subject to sub paragraph (d), the seed shall not be certified as Certified Seed unless due account has been take of the results of official post control tests on samples of Basic Seed taken in accordance with regulation 15(1) and carried out during the growing season of the seed for which an application has been made for certification as Certified Seed to ascertain whether the Basic Seed has met the requirements for Basic Seed specified in these Regulations in respect of varietal identity as regards the characteristics of the components, including male sterility and in respect of the minimum varietal purity;
(c)the varietal purity of a component of the hybrid variety may be assessed by appropriate biochemical methods; and
(d)the standards in respect of the minimum varietal purity laid down in sub paragraph (b) in respect of Certified Seed of hybrids shall be monitored by official post-control tests on an appropriate proportion of samples taken in accordance with regulation 15(1) and appropriate biochemical methods may be used in these official post-control tests.